<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="root"></div>
    <script src="../练习/vue3基础源码/vue3.js"></script>
    <script>
        const app = Vue.createApp({
            template:`<div>{{name}}----{{age}}</div>`,
            setup(props,context){
                const {toRefs,reactive,toRef} = Vue;
                const data =reactive ({name:"zhang",age:""});
                setTimeout(()=>{
                    data.name = "dong";
                    data.age = "xu";
                },2000)
                const {name,age} =toRefs(data);
                return {name,age};
            }
        });



        const vm = app.mount("#root");
    </script>
</body>
</html>